• Post Reply Bookmark Topic Watch Topic
  • New Topic

what does this mean when it says rotate?  RSS feed

 
David Triple
Greenhorn
Posts: 20
  • Mark post as helpful
  • send pies
  • Quote
  • Report post to moderator
 
Campbell Ritchie
Marshal
Posts: 56584
172
  • Mark post as helpful
  • send pies
  • Quote
  • Report post to moderator
You need to find out about the matrix transformations involved in translation (which is easy to understand) and scaling (which is quite easy to understand) and rotation (not at all easy to understand) and shearing (bl**d* difficult to understand). What you are doing is imagining a line up and down the screen, and you are rotating the image around that line. You put the x and z coordinates into a matrix and multiply that matrix by the rotation matrix shown in this Wikipedia page.
 
  • Post Reply Bookmark Topic Watch Topic
  • New Topic
Boost this thread!